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1 | //===-- powixf2_test.cpp - Test __powixf2 ---------------------------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
6 | // Source Licenses. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // This file tests __powixf2 for the compiler_rt library. | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
14 | #if !_ARCH_PPC | |
15 | ||
16 | #include "int_lib.h" | |
17 | #include <stdio.h> | |
18 | #include <math.h> | |
19 | ||
20 | // Returns: a ^ b | |
21 | ||
92a42be0 | 22 | COMPILER_RT_ABI long double __powixf2(long double a, si_int b); |
1a4d82fc JJ |
23 | |
24 | int test__powixf2(long double a, si_int b, long double expected) | |
25 | { | |
26 | long double x = __powixf2(a, b); | |
27 | int correct = (x == expected) && (signbit(x) == signbit(expected)); | |
28 | if (!correct) | |
29 | printf("error in __powixf2(%Lf, %d) = %Lf, expected %Lf\n", | |
30 | a, b, x, expected); | |
31 | return !correct; | |
32 | } | |
33 | ||
34 | #endif | |
35 | ||
36 | int main() | |
37 | { | |
38 | #if !_ARCH_PPC | |
39 | if (test__powixf2(0, 0, 1)) | |
40 | return 1; | |
41 | if (test__powixf2(1, 0, 1)) | |
42 | return 1; | |
43 | if (test__powixf2(1.5, 0, 1)) | |
44 | return 1; | |
45 | if (test__powixf2(2, 0, 1)) | |
46 | return 1; | |
47 | if (test__powixf2(INFINITY, 0, 1)) | |
48 | return 1; | |
49 | ||
50 | if (test__powixf2(-0., 0, 1)) | |
51 | return 1; | |
52 | if (test__powixf2(-1, 0, 1)) | |
53 | return 1; | |
54 | if (test__powixf2(-1.5, 0, 1)) | |
55 | return 1; | |
56 | if (test__powixf2(-2, 0, 1)) | |
57 | return 1; | |
58 | if (test__powixf2(-INFINITY, 0, 1)) | |
59 | return 1; | |
60 | ||
61 | if (test__powixf2(0, 1, 0)) | |
62 | return 1; | |
63 | if (test__powixf2(0, 2, 0)) | |
64 | return 1; | |
65 | if (test__powixf2(0, 3, 0)) | |
66 | return 1; | |
67 | if (test__powixf2(0, 4, 0)) | |
68 | return 1; | |
69 | if (test__powixf2(0, 0x7FFFFFFE, 0)) | |
70 | return 1; | |
71 | if (test__powixf2(0, 0x7FFFFFFF, 0)) | |
72 | return 1; | |
73 | ||
74 | if (test__powixf2(-0., 1, -0.)) | |
75 | return 1; | |
76 | if (test__powixf2(-0., 2, 0)) | |
77 | return 1; | |
78 | if (test__powixf2(-0., 3, -0.)) | |
79 | return 1; | |
80 | if (test__powixf2(-0., 4, 0)) | |
81 | return 1; | |
82 | if (test__powixf2(-0., 0x7FFFFFFE, 0)) | |
83 | return 1; | |
84 | if (test__powixf2(-0., 0x7FFFFFFF, -0.)) | |
85 | return 1; | |
86 | ||
87 | if (test__powixf2(1, 1, 1)) | |
88 | return 1; | |
89 | if (test__powixf2(1, 2, 1)) | |
90 | return 1; | |
91 | if (test__powixf2(1, 3, 1)) | |
92 | return 1; | |
93 | if (test__powixf2(1, 4, 1)) | |
94 | return 1; | |
95 | if (test__powixf2(1, 0x7FFFFFFE, 1)) | |
96 | return 1; | |
97 | if (test__powixf2(1, 0x7FFFFFFF, 1)) | |
98 | return 1; | |
99 | ||
100 | if (test__powixf2(INFINITY, 1, INFINITY)) | |
101 | return 1; | |
102 | if (test__powixf2(INFINITY, 2, INFINITY)) | |
103 | return 1; | |
104 | if (test__powixf2(INFINITY, 3, INFINITY)) | |
105 | return 1; | |
106 | if (test__powixf2(INFINITY, 4, INFINITY)) | |
107 | return 1; | |
108 | if (test__powixf2(INFINITY, 0x7FFFFFFE, INFINITY)) | |
109 | return 1; | |
110 | if (test__powixf2(INFINITY, 0x7FFFFFFF, INFINITY)) | |
111 | return 1; | |
112 | ||
113 | if (test__powixf2(-INFINITY, 1, -INFINITY)) | |
114 | return 1; | |
115 | if (test__powixf2(-INFINITY, 2, INFINITY)) | |
116 | return 1; | |
117 | if (test__powixf2(-INFINITY, 3, -INFINITY)) | |
118 | return 1; | |
119 | if (test__powixf2(-INFINITY, 4, INFINITY)) | |
120 | return 1; | |
121 | if (test__powixf2(-INFINITY, 0x7FFFFFFE, INFINITY)) | |
122 | return 1; | |
123 | if (test__powixf2(-INFINITY, 0x7FFFFFFF, -INFINITY)) | |
124 | return 1; | |
125 | ||
126 | if (test__powixf2(0, -1, INFINITY)) | |
127 | return 1; | |
128 | if (test__powixf2(0, -2, INFINITY)) | |
129 | return 1; | |
130 | if (test__powixf2(0, -3, INFINITY)) | |
131 | return 1; | |
132 | if (test__powixf2(0, -4, INFINITY)) | |
133 | return 1; | |
134 | if (test__powixf2(0, 0x80000002, INFINITY)) | |
135 | return 1; | |
136 | if (test__powixf2(0, 0x80000001, INFINITY)) | |
137 | return 1; | |
138 | if (test__powixf2(0, 0x80000000, INFINITY)) | |
139 | return 1; | |
140 | ||
141 | if (test__powixf2(-0., -1, -INFINITY)) | |
142 | return 1; | |
143 | if (test__powixf2(-0., -2, INFINITY)) | |
144 | return 1; | |
145 | if (test__powixf2(-0., -3, -INFINITY)) | |
146 | return 1; | |
147 | if (test__powixf2(-0., -4, INFINITY)) | |
148 | return 1; | |
149 | if (test__powixf2(-0., 0x80000002, INFINITY)) | |
150 | return 1; | |
151 | if (test__powixf2(-0., 0x80000001, -INFINITY)) | |
152 | return 1; | |
153 | if (test__powixf2(-0., 0x80000000, INFINITY)) | |
154 | return 1; | |
155 | ||
156 | if (test__powixf2(1, -1, 1)) | |
157 | return 1; | |
158 | if (test__powixf2(1, -2, 1)) | |
159 | return 1; | |
160 | if (test__powixf2(1, -3, 1)) | |
161 | return 1; | |
162 | if (test__powixf2(1, -4, 1)) | |
163 | return 1; | |
164 | if (test__powixf2(1, 0x80000002, 1)) | |
165 | return 1; | |
166 | if (test__powixf2(1, 0x80000001, 1)) | |
167 | return 1; | |
168 | if (test__powixf2(1, 0x80000000, 1)) | |
169 | return 1; | |
170 | ||
171 | if (test__powixf2(INFINITY, -1, 0)) | |
172 | return 1; | |
173 | if (test__powixf2(INFINITY, -2, 0)) | |
174 | return 1; | |
175 | if (test__powixf2(INFINITY, -3, 0)) | |
176 | return 1; | |
177 | if (test__powixf2(INFINITY, -4, 0)) | |
178 | return 1; | |
179 | if (test__powixf2(INFINITY, 0x80000002, 0)) | |
180 | return 1; | |
181 | if (test__powixf2(INFINITY, 0x80000001, 0)) | |
182 | return 1; | |
183 | if (test__powixf2(INFINITY, 0x80000000, 0)) | |
184 | return 1; | |
185 | ||
186 | if (test__powixf2(-INFINITY, -1, -0.)) | |
187 | return 1; | |
188 | if (test__powixf2(-INFINITY, -2, 0)) | |
189 | return 1; | |
190 | if (test__powixf2(-INFINITY, -3, -0.)) | |
191 | return 1; | |
192 | if (test__powixf2(-INFINITY, -4, 0)) | |
193 | return 1; | |
194 | if (test__powixf2(-INFINITY, 0x80000002, 0)) | |
195 | return 1; | |
196 | if (test__powixf2(-INFINITY, 0x80000001, -0.)) | |
197 | return 1; | |
198 | if (test__powixf2(-INFINITY, 0x80000000, 0)) | |
199 | return 1; | |
200 | ||
201 | if (test__powixf2(2, 10, 1024.)) | |
202 | return 1; | |
203 | if (test__powixf2(-2, 10, 1024.)) | |
204 | return 1; | |
205 | if (test__powixf2(2, -10, 1/1024.)) | |
206 | return 1; | |
207 | if (test__powixf2(-2, -10, 1/1024.)) | |
208 | return 1; | |
209 | ||
210 | if (test__powixf2(2, 19, 524288.)) | |
211 | return 1; | |
212 | if (test__powixf2(-2, 19, -524288.)) | |
213 | return 1; | |
214 | if (test__powixf2(2, -19, 1/524288.)) | |
215 | return 1; | |
216 | if (test__powixf2(-2, -19, -1/524288.)) | |
217 | return 1; | |
218 | ||
219 | if (test__powixf2(2, 31, 2147483648.)) | |
220 | return 1; | |
221 | if (test__powixf2(-2, 31, -2147483648.)) | |
222 | return 1; | |
223 | if (test__powixf2(2, -31, 1/2147483648.)) | |
224 | return 1; | |
225 | if (test__powixf2(-2, -31, -1/2147483648.)) | |
226 | return 1; | |
227 | ||
228 | #else | |
229 | printf("skipped\n"); | |
230 | #endif | |
231 | return 0; | |
232 | } |